The given options are Heat Sink, USB Device, ROM Chip, and RAM. Out of these options, RAM stands for Random Access Memory, which is a type of computer memory that allows data to be read from and written to. Heat Sink is a device used to dissipate heat, USB Device is a general term for any device that connects to a computer via USB, and ROM Chip is a type of non-volatile memory. Therefore, the correct answer is RAM.